Answer:
Dependent variable.
Explanation:
Based on the description, the experiment is designed to confirm or reject a hypothesis about a heat absorption patterns by hollow objects with different transparency. Temperature appears to be the main target variable of interest - this is the <em>dependent</em> variable. Material that each box is made of (specifically, its transparency) is in this case the independent variable, which is determined by the experimenter.
Sorry i cant tell what you mean but here is my answer for your question i think its right if not just tell me i will give you a new one :)
Alkaline earth metals make up the second group<span> of the periodic table. This family includes the </span>elements<span> beryllium, magnesium, calcium, strontium, barium, and radium (Be, Mg, Ca, Sr, Ba, and Ra, respectively). </span>Group 2 elements<span> share </span>common <span>characteristics. Each metal is naturally occurring and quite reactive.
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-- An object acted on by only the force of gravity, on or near Earth's surface,
accelerates downward at the rate of about 9.8 m/s² without air resistance.
-- That number is "the acceleration due to gravity, on Earth".
-- The object in that situation is said to be in "free fall".
You make them strong for example if you rub a balloon in your hair the longer you do it the longer it sticks because of static
Answer:
72 beats per minute
Explanation:
Heart beat causes the flow of blood round the body. This heart beat can be felt as pulse in the wrist or neck carotid artery. The heart rate which is measured in beats per minute (BPM) is used to determine the number of heart beats per minute.
You can calculate your BPM using the carotid artery found in the neck close to the windpipe.
Given that for 20 seconds, Bill had a total of 24 beats.
60 seconds = 1 minute.
Hence, Bill's BPM = (24 beats per 20 seconds) * (60 seconds per minute) = 72 beats per minute
